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Lighting alliance continues growing, expands product spectrum

Lighting alliance continues growing, expands product spectrum

Business news |
By Christoph Hammerschmidt



With the companies Marquardt, Preh and TactoTek the ISELED Alliance continues its growth. Thus, the technology grouping around the control bus of the same name for automotive LEDs with status August 2020 includes the following companies: Allegro MicroSystems, Brightek, Cemm Thome, designLED, Dominant Opto Technologies, Dräxlmaier, Dr. Schneider, Elmos, Everlight, feno, Grupo Antolin, Hella, Inova Semiconductors, iSYS RTS, ITSWELL, Lightworks, Lucie Labs, Magna Lighting, Marquardt, Melexis, Microchip, novem, NXP, Osram Opto Semiconductors, Preh, Prettl Group, TactoTek, Techniplas, TE Connectivity, UG Systems, the University of Pforzheim, Valeo and Xingyu.

Marquardt, a privately held company founded in 1925 and headquartered in Rietheim-Weilheim, Germany, manufactures mechatronic switching and control systems. The company’s products – including operating components, vehicle access, driving authorization and battery management systems for electrically powered vehicles – are used by numerous customers in the automotive industry. The Marquardt Group has around 10,500 employees worldwide at 20 locations on four continents. In the 2019 fiscal year, sales exceeded 1.3 billion euros. Each year, Marquardt invests around 10 percent of its turnover in research and development.

As a globally positioned automotive supplier, the Preh Group currently employs around 7,000 people and generates sales of around 1.5 billion euros (2019). Preh was founded and since 2011 has been part of the Joyson Group, one of the 30 largest automotive suppliers worldwide. Its development and manufacturing competencies include in particular HMI systems for passenger cars and commercial vehicles as well as e-mobility control units.

TactoTek Oy, based in Finland, focuses on the development, industrial exploitation and marketing of IMSE (Injection Molded Structural Electronic) technology, which is changing the way electronic components are designed and manufactured. IMSE parts are not only manufactured using additive processes and less plastic, but also emit fewer greenhouse gases.


Members of the ISELED Alliance are continuously developing various solution concepts focused on the automotive market. The product range currently includes LED modules, standalone drivers/controllers, specialized microcontrollers and development kits. Systems combining ISELED components with optics are currently under development.

Only recently the alliance has completed the specification of the 2nd ISELED generation: The new products will offer higher chromaticity precision over the entire temperature range and higher current classes. A further milestone is the extension of the original local ISELED protocol to a real fieldbus in the whole car. This is made possible by the development of the ILaS bus concept (ISELED Light and Sensor network). With ILaS not only LEDs (e.g. RGB or infrared) but also other components such as matrix LED headlights, sensors and actuators can be controlled in large numbers via a simple, unshielded two-wire cable. A first ILaS test chip is already available. It fulfills all set goals, including the desired high robustness with regard to electromagnetic compatibility.

On September 3, 2020, the 3rd ISELED conference will take place in the format of a workshop, which will be held partly as a face-to-face event and partly as a livestream. There, the members of the ISELED Alliance will present all this in detail and present latest products and system solutions around ISELED. More information about the conference: https://www.iseled-conference.com/

Further information about ISELED: https://www.iseled.com/

Related articles:

Elmos, Cemm Thome join ISELED alliance

ISELED alliance gains further momentum

LED driver chip controls ambient lighting

ISELED – The LED goes Digital

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